Ratiometric Linear Hall Effect Sensor ICs
for High-Temperature Operation
A1321, A1322,
and A1323 
9
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
THERMAL CHARACTERISTICS may require derating at maximum conditions, see application information
Characteristic
Symbol
Test Conditions*
Value Units
Package Thermal Resistance
R
窲A
Package LH, 1-layer PCB with copper limited to solder pads
228  篊/W
Package LH, 2-layer PCB with 0.463 in.
2
 of copper area each side
connected by thermal vias
110  篊/W
Package UA, 1-layer PCB with copper limited to solder pads
165  篊/W
*Additional thermal information available on Allegro website.
6
5
4
3
2
1
0
20   40   60   80   100   120   140   160   180
Temperature (篊)
Power Derating Curve
(R
JA 
= 228 篊/W)
1-layer PCB, Package LH
(R
JA 
= 110 篊/W)
2-layer PCB, Package LH
(R
JA 
= 165 篊/W)
1-layer PCB, Package UA
V
CC(min)
V
CC(max)
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
20  40  60  80  100  120  140  160  180
Temperature (癈)
Power Dissipation versus Ambient Temperature
(
R
J
A
 
=
 1
6
5
 
?/DIV>
C
/
W
)
1
-
la
y
e
r
 
P
C
B
,
 
P
a
c
k
a
g
e
 
U
A
(
R
JA
 
=
 
2
2
8
 ?/DIV>
C
/W
)
1
-l
a
y
e
r
P
C
B
,
P
a
c
k
a
g
e
 L
H
(
R
J
A
 =
 
1
1
0
 
?/DIV>
C
/
W
)
2
-
l
a
y
e
r
 
P
C
B
,
 
P
a
c
k
a
g
e
 
L
H
相关PDF资料
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相关代理商/技术参数
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A1323LUA-T3 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Ratiometric Linear Hall Effect Sensor ICs for High-Temperature Operation
A1324 制造商:ALLEGRO 制造商全称:Allegro MicroSystems 功能描述:Low Noise, Linear Hall Effect Sensor ICs with Analog Output